diff --git a/evm/src/cpu/kernel/asm/sha2_constants.asm b/evm/src/cpu/kernel/asm/sha2_constants.asm
new file mode 100644
index 00000000..76f5aba6
--- /dev/null
+++ b/evm/src/cpu/kernel/asm/sha2_constants.asm
@@ -0,0 +1,647 @@
+global sha2_const_0:
+    JUMPDEST
+    push 1116352408
+
+global sha2_const_1:
+    JUMPDEST
+    push 1899447441
+
+global sha2_const_2:
+    JUMPDEST
+    push 3049323471
+
+global sha2_const_3:
+    JUMPDEST
+    push 3921009573
+
+global sha2_const_4:
+    JUMPDEST
+    push 961987163
+
+global sha2_const_5:
+    JUMPDEST
+    push 1508970993
+
+global sha2_const_6:
+    JUMPDEST
+    push 2453635748
+
+global sha2_const_7:
+    JUMPDEST
+    push 2870763221
+
+global sha2_const_8:
+    JUMPDEST
+    push 3624381080
+
+global sha2_const_9:
+    JUMPDEST
+    push 310598401
+
+global sha2_const_10:
+    JUMPDEST
+    push 607225278
+
+global sha2_const_11:
+    JUMPDEST
+    push 1426881987
+
+global sha2_const_12:
+    JUMPDEST
+    push 1925078388
+
+global sha2_const_13:
+    JUMPDEST
+    push 2162078206
+
+global sha2_const_14:
+    JUMPDEST
+    push 2614888103
+
+global sha2_const_15:
+    JUMPDEST
+    push 3248222580
+
+global sha2_const_16:
+    JUMPDEST
+    push 3835390401
+
+global sha2_const_17:
+    JUMPDEST
+    push 4022224774
+
+global sha2_const_18:
+    JUMPDEST
+    push 264347078
+
+global sha2_const_19:
+    JUMPDEST
+    push 604807628
+
+global sha2_const_20:
+    JUMPDEST
+    push 770255983
+
+global sha2_const_21:
+    JUMPDEST
+    push 1249150122
+
+global sha2_const_22:
+    JUMPDEST
+    push 1555081692
+
+global sha2_const_23:
+    JUMPDEST
+    push 1996064986
+
+global sha2_const_24:
+    JUMPDEST
+    push 2554220882
+
+global sha2_const_25:
+    JUMPDEST
+    push 2821834349
+
+global sha2_const_26:
+    JUMPDEST
+    push 2952996808
+
+global sha2_const_27:
+    JUMPDEST
+    push 3210313671
+
+global sha2_const_28:
+    JUMPDEST
+    push 3336571891
+
+global sha2_const_29:
+    JUMPDEST
+    push 3584528711
+
+global sha2_const_30:
+    JUMPDEST
+    push 113926993
+
+global sha2_const_31:
+    JUMPDEST
+    push 338241895
+
+global sha2_const_32:
+    JUMPDEST
+    push 666307205
+
+global sha2_const_33:
+    JUMPDEST
+    push 773529912
+
+global sha2_const_34:
+    JUMPDEST
+    push 1294757372
+
+global sha2_const_35:
+    JUMPDEST
+    push 1396182291
+
+global sha2_const_36:
+    JUMPDEST
+    push 1695183700
+
+global sha2_const_37:
+    JUMPDEST
+    push 1986661051
+
+global sha2_const_38:
+    JUMPDEST
+    push 2177026350
+
+global sha2_const_39:
+    JUMPDEST
+    push 2456956037
+
+global sha2_const_40:
+    JUMPDEST
+    push 2730485921
+
+global sha2_const_41:
+    JUMPDEST
+    push 2820302411
+
+global sha2_const_42:
+    JUMPDEST
+    push 3259730800
+
+global sha2_const_43:
+    JUMPDEST
+    push 3345764771
+
+global sha2_const_44:
+    JUMPDEST
+    push 3516065817
+
+global sha2_const_45:
+    JUMPDEST
+    push 3600352804
+
+global sha2_const_46:
+    JUMPDEST
+    push 4094571909
+
+global sha2_const_47:
+    JUMPDEST
+    push 275423344
+
+global sha2_const_48:
+    JUMPDEST
+    push 430227734
+
+global sha2_const_49:
+    JUMPDEST
+    push 506948616
+
+global sha2_const_50:
+    JUMPDEST
+    push 659060556
+
+global sha2_const_51:
+    JUMPDEST
+    push 883997877
+
+global sha2_const_52:
+    JUMPDEST
+    push 958139571
+
+global sha2_const_53:
+    JUMPDEST
+    push 1322822218
+
+global sha2_const_54:
+    JUMPDEST
+    push 1537002063
+
+global sha2_const_55:
+    JUMPDEST
+    push 1747873779
+
+global sha2_const_56:
+    JUMPDEST
+    push 1955562222
+
+global sha2_const_57:
+    JUMPDEST
+    push 2024104815
+
+global sha2_const_58:
+    JUMPDEST
+    push 2227730452
+
+global sha2_const_59:
+    JUMPDEST
+    push 2361852424
+
+global sha2_const_60:
+    JUMPDEST
+    push 2428436474
+
+global sha2_const_61:
+    JUMPDEST
+    push 2756734187
+
+global sha2_const_62:
+    JUMPDEST
+    push 3204031479
+
+global sha2_const_63:
+    JUMPDEST
+    push 3329325298
+
+global sha2_const:
+    JUMPDEST
+    // stack: i
+
+    // case: 0
+    dup1
+    %eq(0)
+    %jumpi(sha2_const_0)
+    swap1
+    
+    // case: 1
+    dup1
+    %eq(1)
+    %jumpi(sha2_const_1)
+    swap1
+
+    // case: 2
+    dup1
+    %eq(2)
+    %jumpi(sha2_const_2)
+    swap1
+
+    // case: 3
+    dup1
+    %eq(3)
+    %jumpi(sha2_const_3)
+    swap1
+
+    // case: 4
+    dup1
+    %eq(4)
+    %jumpi(sha2_const_4)
+    swap1
+
+    // case: 5
+    dup1
+    %eq(5)
+    %jumpi(sha2_const_5)
+    swap1
+
+    // case: 6
+    dup1
+    %eq(6)
+    %jumpi(sha2_const_6)
+    swap1
+
+    // case: 7
+    dup1
+    %eq(7)
+    %jumpi(sha2_const_7)
+    swap1
+
+    // case: 8
+    dup1
+    %eq(8)
+    %jumpi(sha2_const_8)
+    swap1
+
+    // case: 9
+    dup1
+    %eq(9)
+    %jumpi(sha2_const_9)
+    swap1
+
+    // case: 10
+    dup1
+    %eq(10)
+    %jumpi(sha2_const_10)
+    swap1
+
+    // case: 11
+    dup1
+    %eq(11)
+    %jumpi(sha2_const_11)
+    swap1
+
+    // case: 12
+    dup1
+    %eq(12)
+    %jumpi(sha2_const_12)
+    swap1
+
+    // case: 13
+    dup1
+    %eq(13)
+    %jumpi(sha2_const_13)
+    swap1
+
+    // case: 14
+    dup1
+    %eq(14)
+    %jumpi(sha2_const_14)
+    swap1
+
+    // case: 15
+    dup1
+    %eq(15)
+    %jumpi(sha2_const_15)
+    swap1
+
+    // case: 16
+    dup1
+    %eq(16)
+    %jumpi(sha2_const_16)
+    swap1
+
+    // case: 17
+    dup1
+    %eq(17)
+    %jumpi(sha2_const_17)
+    swap1
+
+    // case: 18
+    dup1
+    %eq(18)
+    %jumpi(sha2_const_18)
+    swap1
+
+    // case: 19
+    dup1
+    %eq(19)
+    %jumpi(sha2_const_19)
+    swap1
+
+    // case: 20
+    dup1
+    %eq(20)
+    %jumpi(sha2_const_20)
+    swap1
+
+    // case: 21
+    dup1
+    %eq(21)
+    %jumpi(sha2_const_21)
+    swap1
+
+    // case: 22
+    dup1
+    %eq(22)
+    %jumpi(sha2_const_22)
+    swap1
+
+    // case: 23
+    dup1
+    %eq(23)
+    %jumpi(sha2_const_23)
+    swap1
+
+    // case: 24
+    dup1
+    %eq(24)
+    %jumpi(sha2_const_24)
+    swap1
+
+    // case: 25
+    dup1
+    %eq(25)
+    %jumpi(sha2_const_25)
+    swap1
+
+    // case: 26
+    dup1
+    %eq(26)
+    %jumpi(sha2_const_26)
+    swap1
+
+    // case: 27
+    dup1
+    %eq(27)
+    %jumpi(sha2_const_27)
+    swap1
+
+    // case: 28
+    dup1
+    %eq(28)
+    %jumpi(sha2_const_28)
+    swap1
+
+    // case: 29
+    dup1
+    %eq(29)
+    %jumpi(sha2_const_29)
+    swap1
+
+    // case: 30
+    dup1
+    %eq(30)
+    %jumpi(sha2_const_30)
+    swap1
+
+    // case: 31
+    dup1
+    %eq(31)
+    %jumpi(sha2_const_31)
+    swap1
+
+    // case: 32
+    dup1
+    %eq(32)
+    %jumpi(sha2_const_32)
+    swap1
+
+    // case: 33
+    dup1
+    %eq(33)
+    %jumpi(sha2_const_33)
+    swap1
+
+    // case: 34
+    dup1
+    %eq(34)
+    %jumpi(sha2_const_34)
+    swap1
+
+    // case: 35
+    dup1
+    %eq(35)
+    %jumpi(sha2_const_35)
+    swap1
+
+    // case: 36
+    dup1
+    %eq(36)
+    %jumpi(sha2_const_36)
+    swap1
+
+    // case: 37
+    dup1
+    %eq(37)
+    %jumpi(sha2_const_37)
+    swap1
+
+    // case: 38
+    dup1
+    %eq(38)
+    %jumpi(sha2_const_38)
+    swap1
+
+    // case: 39
+    dup1
+    %eq(39)
+    %jumpi(sha2_const_39)
+    swap1
+
+    // case: 40
+    dup1
+    %eq(40)
+    %jumpi(sha2_const_40)
+    swap1
+
+    // case: 41
+    dup1
+    %eq(41)
+    %jumpi(sha2_const_41)
+    swap1
+
+    // case: 42
+    dup1
+    %eq(42)
+    %jumpi(sha2_const_42)
+    swap1
+
+    // case: 43
+    dup1
+    %eq(43)
+    %jumpi(sha2_const_43)
+    swap1
+
+    // case: 44
+    dup1
+    %eq(44)
+    %jumpi(sha2_const_44)
+    swap1
+
+    // case: 45
+    dup1
+    %eq(45)
+    %jumpi(sha2_const_45)
+    swap1
+
+    // case: 46
+    dup1
+    %eq(46)
+    %jumpi(sha2_const_46)
+    swap1
+
+    // case: 47
+    dup1
+    %eq(47)
+    %jumpi(sha2_const_47)
+    swap1
+
+    // case: 48
+    dup1
+    %eq(48)
+    %jumpi(sha2_const_48)
+    swap1
+
+    // case: 49
+    dup1
+    %eq(49)
+    %jumpi(sha2_const_49)
+    swap1
+
+    // case: 50
+    dup1
+    %eq(50)
+    %jumpi(sha2_const_50)
+    swap1
+
+    // case: 51
+    dup1
+    %eq(51)
+    %jumpi(sha2_const_51)
+    swap1
+
+    // case: 52
+    dup1
+    %eq(52)
+    %jumpi(sha2_const_52)
+    swap1
+
+    // case: 53
+    dup1
+    %eq(53)
+    %jumpi(sha2_const_53)
+    swap1
+
+    // case: 54
+    dup1
+    %eq(54)
+    %jumpi(sha2_const_54)
+    swap1
+
+    // case: 55
+    dup1
+    %eq(55)
+    %jumpi(sha2_const_55)
+    swap1
+
+    // case: 56
+    dup1
+    %eq(56)
+    %jumpi(sha2_const_56)
+    swap1
+
+    // case: 57
+    dup1
+    %eq(57)
+    %jumpi(sha2_const_57)
+    swap1
+
+    // case: 58
+    dup1
+    %eq(58)
+    %jumpi(sha2_const_58)
+    swap1
+
+    // case: 59
+    dup1
+    %eq(59)
+    %jumpi(sha2_const_59)
+    swap1
+
+    // case: 60
+    dup1
+    %eq(60)
+    %jumpi(sha2_const_60)
+    swap1
+
+    // case: 61
+    dup1
+    %eq(61)
+    %jumpi(sha2_const_61)
+    swap1
+
+    // case: 62
+    dup1
+    %eq(62)
+    %jumpi(sha2_const_62)
+    swap1
+
+    // case: 63
+    dup1
+    %eq(63)
+    %jumpi(sha2_const_63)
+    swap1
+
+    // stack: i, k[i]
+    pop
+    // stack: k[i]
\ No newline at end of file